No piston is immune to the destructive effects of detonation which is the usual cause of failure. If a locator pin came out and let the ring catch a port that will break the edge of a piston. Sometimes an old piston will just give up from fatigue.
ya i dont have a pic but ch!t i only had 1300k on it thats what cat said as well out of all that warrenty paid 5900 bucks to replace other ch!t as well 2500 just for a crank that retarted up and runing now i got about 1 tank throught the new engine